Patents by Inventor Philippe Chauvin

Philippe Chauvin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System of photodetection and associated process for analyzing a luminous flux
    Patent number: 5889586
    Abstract: A photodetection system that analyzes a luminous flux (15) received on a line (10). The photodetection system includes an opaque mask (4) provided with at least one aperture (6), placed in the vicinity of the line, driver (7) designed to rotate the mask, detector (8, 9) of an angular position of reference of the mask, a field lens (12) concentrating the luminous flux (16) crossing the line onto a photodetector (1), and a processing unit (3) connected to the photodetector, for analyzing the luminous flux to yield values for several points on the line.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: March 30, 1999
    Assignee: Instruments S.A.
    Inventors: Philippe Chauvin, Alain Thevenon